APA aipamena

Krugman, P. R., & Obstfeld, M. (2009). International economics: Theory and policy (Eighth edition.). Pearson Addison-Wesley.

Chicago Style aipamena

Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. Eighth edition. Boston: Pearson Addison-Wesley, 2009.

MLA aipamena

Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. Eighth edition. Pearson Addison-Wesley, 2009.